Patents by Inventor Mark Weidner

Mark Weidner has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Concentrating evaporator
    Patent number: 5282927
    Abstract: The concentrate holding lower portion of a sample and concentrate holding vessel has a jacket for shielding such concentrate holding portion from heat sufficient to volatilize appreciable solvent therefrom when the vessel is subjected to sufficient heat for effecting evaporative concentration of solution in such vessel.
    Type: Grant
    Filed: May 9, 1991
    Date of Patent: February 1, 1994
    Inventor: Mark Weidner